"""
Copyright (c) 2022 Huawei Technologies Co.,Ltd.

openGauss is licensed under Mulan PSL v2.
You can use this software according to the terms and conditions of the Mulan PSL v2.
You may obtain a copy of Mulan PSL v2 at:

          http://license.coscl.org.cn/MulanPSL2

THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
See the Mulan PSL v2 for more details.
"""
"""
Case Type   : 功能
Case Name   : DSS故障
Create At   : 2023/04/13
Owner       : opentestcase043
Description :
        1.查询集群状态
        2.查询DSS进程pid
        3.主或备kill掉dss进程(把整个集群停掉）
        4.重新拉起dss进程
        5.拉起集群
        6.清理环境
Expect      :
        1.集群状态正常
        2.查询成功
        3.成功
        4.重新拉起dss进程成功
        5.拉起集群成功
        6.清理环境成功
History     :
"""

import os
import unittest

from testcase.utils.Common import Common
from testcase.utils.CommonSH import CommonSH
from testcase.utils.Constant import Constant
from testcase.utils.Logger import Logger
from yat.test import macro
from yat.test import Node

LOG = Logger()
Primary_SH = CommonSH('PrimaryDbUser')


@unittest.skipIf(1 == Primary_SH.get_node_num(), '单机环境不执行')
class ShareStorage(unittest.TestCase):

    def setUp(self):
        LOG.info('-----this is setup-----')
        LOG.info(f'-----{os.path.basename(__file__)} start-----')
        self.con = Constant()
        self.com = Common()
        self.pri_node = Node('PrimaryDbUser')

    def test_share_storage(self):
        text = '-----step1:查询集群状态; expect:集群状态正常-----'
        LOG.info(text)
        status = Primary_SH.exec_cm_ctl('query', '-Cv')
        LOG.info(status)
        self.assertIn('cluster_state   : Normal', status, '执行失败:' + text)
        res = status.splitlines()[-1].split('|')[0].split('6001')[1]
        self.assertIn('P Primary Normal', res, '执行失败:' + text)

        text = '-----step2:查询DSS进程pid; expect:查询成功-----'
        LOG.info(text)
        pri_dss_pid = self.com.get_pid(self.pri_node, 'bin/dssserver')
        self.assertNotEqual('', pri_dss_pid, '执行失败:' + text)

        text = '-----step3:主或备kill掉dss进程(把整个集群停掉）; expect:成功-----'
        LOG.info(text)
        status = Primary_SH.exec_cm_ctl('stop')
        LOG.info(status)
        self.assertIn(self.con.cm_stop_success_msg, status,
                      '执行失败:' + text)

        text = '-----step4:重新拉起dss进程; expect:重新拉起dss进程成功-----'
        LOG.info(text)
        cmd = f'''source {macro.DB_ENV_PATH};
            dssserver -D {macro.DSS_INSTANCE} >/dev/null & \n'''
        LOG.info(cmd)
        self.pri_node.sh(cmd).result()
        pri_dss_pid = self.com.get_pid(self.pri_node, 'dssserver')
        self.assertNotEqual('', pri_dss_pid, '执行失败:' + text)

        text = '-----step5:拉起集群; expect:拉起集群成功-----'
        LOG.info(text)
        status = Primary_SH.exec_cm_ctl('start')
        LOG.info(status)
        self.assertIn(self.con.cm_start_success_msg, status,
                      '执行失败:' + text)

    def tearDown(self):
        text = '-----this is tearDown-----'
        LOG.info(text)
        text = '-----step6:清理环境; expect:清理环境成功-----'
        LOG.info(text)
        status1 = Primary_SH.exec_cm_ctl('start')
        status2 = Primary_SH.exec_cm_ctl('switchover', '-a')
        LOG.info(status1)
        LOG.info(status2)
        self.assertIn(self.con.cm_start_success_msg, status1,
                      '执行失败:' + text)
        self.assertIn(self.con.cm_switchover_success_msg, status2,
                      '执行失败:' + text)
        LOG.info(f'-----{os.path.basename(__file__)} end-----')
